205774816575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1\times {\mathrm{1823}}^1$

素因数の和:2473

約数の個数: 96

約数和(自身を含む): 362952769536

約数和(自身を除く): 157177952961

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 223, 255, 397, 425, 669, 1115, 1191, 1275, 1823, 1985, 3345, 3791, 5469, 5575, 5955, 6749, 9115, 9925, 11373, 16725, 18955, 20247, 27345, 29775, 30991, 33745, 45575, 56865, 88531, 92973, 94775, 101235, 136725, 154955, 168725, 265593, 284325, 406529, 442655, 464865, 506175, 723731, 774775, 1219587, 1327965, 1505027, 2032645, 2171193, 2213275, 2324325, 3618655, 4515081, 6097935, 6639825, 6910993, 7525135, 10163225, 10855965, 12303427, 18093275, 20732979, 22575405, 30489675, 34554965, 36910281, 37625675, 54279825, 61517135, 103664895, 112877025, 161392013, 172774825, 184551405, 307585675, 484176039, 518324475, 806960065, 922757025, 2420880195, 2743664221, 4034800325, 8230992663, 12104400975, 13718321105, 41154963315, 68591605525, 205774816575]

約数ペア:

[(1, 205774816575), (3, 68591605525), (5, 41154963315), (15, 13718321105), (17, 12104400975), (25, 8230992663), (51, 4034800325), (75, 2743664221), (85, 2420880195), (223, 922757025), (255, 806960065), (397, 518324475), (425, 484176039), (669, 307585675), (1115, 184551405), (1191, 172774825), (1275, 161392013), (1823, 112877025), (1985, 103664895), (3345, 61517135), (3791, 54279825), (5469, 37625675), (5575, 36910281), (5955, 34554965), (6749, 30489675), (9115, 22575405), (9925, 20732979), (11373, 18093275), (16725, 12303427), (18955, 10855965), (20247, 10163225), (27345, 7525135), (29775, 6910993), (30991, 6639825), (33745, 6097935), (45575, 4515081), (56865, 3618655), (88531, 2324325), (92973, 2213275), (94775, 2171193), (101235, 2032645), (136725, 1505027), (154955, 1327965), (168725, 1219587), (265593, 774775), (284325, 723731), (406529, 506175), (442655, 464865)]