15900015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2711}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 28118016

約数和(自身を除く): 12218001

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 2711, 5865, 8133, 13555, 40665, 46087, 62353, 138261, 187059, 230435, 311765, 691305, 935295, 1060001, 3180003, 5300005, 15900015]

約数ペア:

[(1, 15900015), (3, 5300005), (5, 3180003), (15, 1060001), (17, 935295), (23, 691305), (51, 311765), (69, 230435), (85, 187059), (115, 138261), (255, 62353), (345, 46087), (391, 40665), (1173, 13555), (1955, 8133), (2711, 5865)]