16958475

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 33078240

約数和(自身を除く): 16119765

約数列:

[1, 3, 5, 9, 15, 23, 25, 29, 45, 69, 75, 87, 113, 115, 145, 207, 225, 261, 339, 345, 435, 565, 575, 667, 725, 1017, 1035, 1305, 1695, 1725, 2001, 2175, 2599, 2825, 3277, 3335, 5085, 5175, 6003, 6525, 7797, 8475, 9831, 10005, 12995, 16385, 16675, 23391, 25425, 29493, 30015, 38985, 49155, 50025, 64975, 75371, 81925, 116955, 147465, 150075, 194925, 226113, 245775, 376855, 584775, 678339, 737325, 1130565, 1884275, 3391695, 5652825, 16958475]

約数ペア:

[(1, 16958475), (3, 5652825), (5, 3391695), (9, 1884275), (15, 1130565), (23, 737325), (25, 678339), (29, 584775), (45, 376855), (69, 245775), (75, 226113), (87, 194925), (113, 150075), (115, 147465), (145, 116955), (207, 81925), (225, 75371), (261, 64975), (339, 50025), (345, 49155), (435, 38985), (565, 30015), (575, 29493), (667, 25425), (725, 23391), (1017, 16675), (1035, 16385), (1305, 12995), (1695, 10005), (1725, 9831), (2001, 8475), (2175, 7797), (2599, 6525), (2825, 6003), (3277, 5175), (3335, 5085)]