27974775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 50380704

約数和(自身を除く): 22405929

約数列:

[1, 3, 5, 15, 17, 25, 37, 51, 75, 85, 111, 185, 255, 425, 555, 593, 629, 925, 1275, 1779, 1887, 2775, 2965, 3145, 8895, 9435, 10081, 14825, 15725, 21941, 30243, 44475, 47175, 50405, 65823, 109705, 151215, 252025, 329115, 372997, 548525, 756075, 1118991, 1645575, 1864985, 5594955, 9324925, 27974775]

約数ペア:

[(1, 27974775), (3, 9324925), (5, 5594955), (15, 1864985), (17, 1645575), (25, 1118991), (37, 756075), (51, 548525), (75, 372997), (85, 329115), (111, 252025), (185, 151215), (255, 109705), (425, 65823), (555, 50405), (593, 47175), (629, 44475), (925, 30243), (1275, 21941), (1779, 15725), (1887, 14825), (2775, 10081), (2965, 9435), (3145, 8895)]