31524375

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 80

約数和(自身を含む): 59380992

約数和(自身を除く): 27856617

約数列:

[1, 3, 5, 15, 17, 23, 25, 43, 51, 69, 75, 85, 115, 125, 129, 215, 255, 345, 375, 391, 425, 575, 625, 645, 731, 989, 1075, 1173, 1275, 1725, 1875, 1955, 2125, 2193, 2875, 2967, 3225, 3655, 4945, 5375, 5865, 6375, 8625, 9775, 10625, 10965, 14375, 14835, 16125, 16813, 18275, 24725, 26875, 29325, 31875, 43125, 48875, 50439, 54825, 74175, 80625, 84065, 91375, 123625, 146625, 244375, 252195, 274125, 370875, 420325, 456875, 618125, 733125, 1260975, 1370625, 1854375, 2101625, 6304875, 10508125, 31524375]

約数ペア:

[(1, 31524375), (3, 10508125), (5, 6304875), (15, 2101625), (17, 1854375), (23, 1370625), (25, 1260975), (43, 733125), (51, 618125), (69, 456875), (75, 420325), (85, 370875), (115, 274125), (125, 252195), (129, 244375), (215, 146625), (255, 123625), (345, 91375), (375, 84065), (391, 80625), (425, 74175), (575, 54825), (625, 50439), (645, 48875), (731, 43125), (989, 31875), (1075, 29325), (1173, 26875), (1275, 24725), (1725, 18275), (1875, 16813), (1955, 16125), (2125, 14835), (2193, 14375), (2875, 10965), (2967, 10625), (3225, 9775), (3655, 8625), (4945, 6375), (5375, 5865)]