15977985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1597}}^1$

素因数の和:1657

約数の個数: 32

約数和(自身を含む): 27613440

約数和(自身を除く): 11635455

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 1597, 2001, 3335, 4791, 7985, 10005, 23955, 36731, 46313, 110193, 138939, 183655, 231565, 550965, 694695, 1065199, 3195597, 5325995, 15977985]

約数ペア:

[(1, 15977985), (3, 5325995), (5, 3195597), (15, 1065199), (23, 694695), (29, 550965), (69, 231565), (87, 183655), (115, 138939), (145, 110193), (345, 46313), (435, 36731), (667, 23955), (1597, 10005), (2001, 7985), (3335, 4791)]