73724775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 129039360

約数和(自身を除く): 55314585

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 79, 115, 237, 345, 395, 541, 575, 1185, 1623, 1725, 1817, 1975, 2705, 5451, 5925, 8115, 9085, 12443, 13525, 27255, 37329, 40575, 42739, 45425, 62215, 128217, 136275, 186645, 213695, 311075, 641085, 933225, 982997, 1068475, 2948991, 3205425, 4914985, 14744955, 24574925, 73724775]

約数ペア:

[(1, 73724775), (3, 24574925), (5, 14744955), (15, 4914985), (23, 3205425), (25, 2948991), (69, 1068475), (75, 982997), (79, 933225), (115, 641085), (237, 311075), (345, 213695), (395, 186645), (541, 136275), (575, 128217), (1185, 62215), (1623, 45425), (1725, 42739), (1817, 40575), (1975, 37329), (2705, 27255), (5451, 13525), (5925, 12443), (8115, 9085)]