25125975

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 108

約数和(自身を含む): 54579096

約数和(自身を除く): 29453121

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 49, 53, 63, 75, 105, 129, 147, 159, 175, 215, 225, 245, 265, 301, 315, 371, 387, 441, 477, 525, 645, 735, 795, 903, 1075, 1113, 1225, 1325, 1505, 1575, 1855, 1935, 2107, 2205, 2279, 2385, 2597, 2709, 3225, 3339, 3675, 3975, 4515, 5565, 6321, 6837, 7525, 7791, 9275, 9675, 10535, 11025, 11395, 11925, 12985, 13545, 15953, 16695, 18963, 20511, 22575, 23373, 27825, 31605, 34185, 38955, 47859, 52675, 56975, 64925, 67725, 79765, 83475, 94815, 102555, 111671, 116865, 143577, 158025, 170925, 194775, 239295, 335013, 398825, 474075, 512775, 558355, 584325, 717885, 1005039, 1196475, 1675065, 2791775, 3589425, 5025195, 8375325, 25125975]

約数ペア:

[(1, 25125975), (3, 8375325), (5, 5025195), (7, 3589425), (9, 2791775), (15, 1675065), (21, 1196475), (25, 1005039), (35, 717885), (43, 584325), (45, 558355), (49, 512775), (53, 474075), (63, 398825), (75, 335013), (105, 239295), (129, 194775), (147, 170925), (159, 158025), (175, 143577), (215, 116865), (225, 111671), (245, 102555), (265, 94815), (301, 83475), (315, 79765), (371, 67725), (387, 64925), (441, 56975), (477, 52675), (525, 47859), (645, 38955), (735, 34185), (795, 31605), (903, 27825), (1075, 23373), (1113, 22575), (1225, 20511), (1325, 18963), (1505, 16695), (1575, 15953), (1855, 13545), (1935, 12985), (2107, 11925), (2205, 11395), (2279, 11025), (2385, 10535), (2597, 9675), (2709, 9275), (3225, 7791), (3339, 7525), (3675, 6837), (3975, 6321), (4515, 5565)]