64620075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 115992576

約数和(自身を除く): 51372501

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 191, 195, 325, 347, 573, 955, 975, 1041, 1735, 2483, 2865, 4511, 4775, 5205, 7449, 8675, 12415, 13533, 14325, 22555, 26025, 37245, 62075, 66277, 67665, 112775, 186225, 198831, 331385, 338325, 861601, 994155, 1656925, 2584803, 4308005, 4970775, 12924015, 21540025, 64620075]

約数ペア:

[(1, 64620075), (3, 21540025), (5, 12924015), (13, 4970775), (15, 4308005), (25, 2584803), (39, 1656925), (65, 994155), (75, 861601), (191, 338325), (195, 331385), (325, 198831), (347, 186225), (573, 112775), (955, 67665), (975, 66277), (1041, 62075), (1735, 37245), (2483, 26025), (2865, 22555), (4511, 14325), (4775, 13533), (5205, 12415), (7449, 8675)]