25413645

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 44041536

約数和(自身を除く): 18627891

約数列:

[1, 3, 5, 15, 31, 41, 43, 93, 123, 129, 155, 205, 215, 465, 615, 645, 961, 1271, 1333, 1763, 2883, 3813, 3999, 4805, 5289, 6355, 6665, 8815, 14415, 19065, 19995, 26445, 39401, 41323, 54653, 118203, 123969, 163959, 197005, 206615, 273265, 591015, 619845, 819795, 1694243, 5082729, 8471215, 25413645]

約数ペア:

[(1, 25413645), (3, 8471215), (5, 5082729), (15, 1694243), (31, 819795), (41, 619845), (43, 591015), (93, 273265), (123, 206615), (129, 197005), (155, 163959), (205, 123969), (215, 118203), (465, 54653), (615, 41323), (645, 39401), (961, 26445), (1271, 19995), (1333, 19065), (1763, 14415), (2883, 8815), (3813, 6665), (3999, 6355), (4805, 5289)]