201978525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 408545280

約数和(自身を除く): 206566755

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 43, 69, 75, 105, 115, 129, 161, 175, 215, 301, 345, 389, 483, 525, 575, 645, 805, 903, 989, 1075, 1167, 1505, 1725, 1945, 2415, 2723, 2967, 3225, 4025, 4515, 4945, 5835, 6923, 7525, 8169, 8947, 9725, 12075, 13615, 14835, 16727, 20769, 22575, 24725, 26841, 29175, 34615, 40845, 44735, 50181, 62629, 68075, 74175, 83635, 103845, 117089, 134205, 173075, 187887, 204225, 223675, 250905, 313145, 351267, 384721, 418175, 519225, 585445, 671025, 939435, 1154163, 1254525, 1565725, 1756335, 1923605, 2693047, 2927225, 4697175, 5770815, 8079141, 8781675, 9618025, 13465235, 28854075, 40395705, 67326175, 201978525]

約数ペア:

[(1, 201978525), (3, 67326175), (5, 40395705), (7, 28854075), (15, 13465235), (21, 9618025), (23, 8781675), (25, 8079141), (35, 5770815), (43, 4697175), (69, 2927225), (75, 2693047), (105, 1923605), (115, 1756335), (129, 1565725), (161, 1254525), (175, 1154163), (215, 939435), (301, 671025), (345, 585445), (389, 519225), (483, 418175), (525, 384721), (575, 351267), (645, 313145), (805, 250905), (903, 223675), (989, 204225), (1075, 187887), (1167, 173075), (1505, 134205), (1725, 117089), (1945, 103845), (2415, 83635), (2723, 74175), (2967, 68075), (3225, 62629), (4025, 50181), (4515, 44735), (4945, 40845), (5835, 34615), (6923, 29175), (7525, 26841), (8169, 24725), (8947, 22575), (9725, 20769), (12075, 16727), (13615, 14835)]