16197975

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:462

約数の個数: 60

約数和(自身を含む): 31658440

約数和(自身を除く): 15460465

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 285, 405, 421, 475, 513, 675, 855, 1263, 1425, 1539, 2025, 2105, 2565, 3789, 4275, 6315, 7695, 7999, 10525, 11367, 12825, 18945, 23997, 31575, 34101, 38475, 39995, 56835, 71991, 94725, 119985, 170505, 199975, 215973, 284175, 359955, 599925, 647919, 852525, 1079865, 1799775, 3239595, 5399325, 16197975]

約数ペア:

[(1, 16197975), (3, 5399325), (5, 3239595), (9, 1799775), (15, 1079865), (19, 852525), (25, 647919), (27, 599925), (45, 359955), (57, 284175), (75, 215973), (81, 199975), (95, 170505), (135, 119985), (171, 94725), (225, 71991), (285, 56835), (405, 39995), (421, 38475), (475, 34101), (513, 31575), (675, 23997), (855, 18945), (1263, 12825), (1425, 11367), (1539, 10525), (2025, 7999), (2105, 7695), (2565, 6315), (3789, 4275)]