78551325

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 150651072

約数和(自身を除く): 72099747

約数列:

[1, 3, 5, 9, 15, 23, 25, 43, 45, 69, 75, 115, 129, 207, 215, 225, 345, 353, 387, 575, 645, 989, 1035, 1059, 1075, 1725, 1765, 1935, 2967, 3177, 3225, 4945, 5175, 5295, 8119, 8825, 8901, 9675, 14835, 15179, 15885, 24357, 24725, 26475, 40595, 44505, 45537, 73071, 74175, 75895, 79425, 121785, 136611, 202975, 222525, 227685, 349117, 365355, 379475, 608925, 683055, 1047351, 1138425, 1745585, 1826775, 3142053, 3415275, 5236755, 8727925, 15710265, 26183775, 78551325]

約数ペア:

[(1, 78551325), (3, 26183775), (5, 15710265), (9, 8727925), (15, 5236755), (23, 3415275), (25, 3142053), (43, 1826775), (45, 1745585), (69, 1138425), (75, 1047351), (115, 683055), (129, 608925), (207, 379475), (215, 365355), (225, 349117), (345, 227685), (353, 222525), (387, 202975), (575, 136611), (645, 121785), (989, 79425), (1035, 75895), (1059, 74175), (1075, 73071), (1725, 45537), (1765, 44505), (1935, 40595), (2967, 26475), (3177, 24725), (3225, 24357), (4945, 15885), (5175, 15179), (5295, 14835), (8119, 9675), (8825, 8901)]