7865775

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 14840320

約数和(自身を除く): 6974545

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 271, 387, 645, 675, 813, 1075, 1161, 1355, 1935, 2439, 3225, 4065, 5805, 6775, 7317, 9675, 11653, 12195, 20325, 29025, 34959, 36585, 58265, 60975, 104877, 174795, 182925, 291325, 314631, 524385, 873975, 1573155, 2621925, 7865775]

約数ペア:

[(1, 7865775), (3, 2621925), (5, 1573155), (9, 873975), (15, 524385), (25, 314631), (27, 291325), (43, 182925), (45, 174795), (75, 104877), (129, 60975), (135, 58265), (215, 36585), (225, 34959), (271, 29025), (387, 20325), (645, 12195), (675, 11653), (813, 9675), (1075, 7317), (1161, 6775), (1355, 5805), (1935, 4065), (2439, 3225)]