219558825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 423662616

約数和(自身を除く): 204103791

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 61, 75, 85, 153, 183, 225, 255, 305, 425, 549, 765, 915, 941, 1037, 1275, 1525, 2745, 2823, 3111, 3825, 4575, 4705, 5185, 8469, 9333, 13725, 14115, 15555, 15997, 23525, 25925, 42345, 46665, 47991, 57401, 70575, 77775, 79985, 143973, 172203, 211725, 233325, 239955, 287005, 399925, 516609, 719865, 861015, 975817, 1199775, 1435025, 2583045, 2927451, 3599325, 4305075, 4879085, 8782353, 12915225, 14637255, 24395425, 43911765, 73186275, 219558825]

約数ペア:

[(1, 219558825), (3, 73186275), (5, 43911765), (9, 24395425), (15, 14637255), (17, 12915225), (25, 8782353), (45, 4879085), (51, 4305075), (61, 3599325), (75, 2927451), (85, 2583045), (153, 1435025), (183, 1199775), (225, 975817), (255, 861015), (305, 719865), (425, 516609), (549, 399925), (765, 287005), (915, 239955), (941, 233325), (1037, 211725), (1275, 172203), (1525, 143973), (2745, 79985), (2823, 77775), (3111, 70575), (3825, 57401), (4575, 47991), (4705, 46665), (5185, 42345), (8469, 25925), (9333, 23525), (13725, 15997), (14115, 15555)]