80828175

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 139062528

約数和(自身を除く): 58234353

約数列:

[1, 3, 5, 15, 25, 43, 71, 75, 129, 213, 215, 353, 355, 645, 1059, 1065, 1075, 1765, 1775, 3053, 3225, 5295, 5325, 8825, 9159, 15179, 15265, 25063, 26475, 45537, 45795, 75189, 75895, 76325, 125315, 227685, 228975, 375945, 379475, 626575, 1077709, 1138425, 1879725, 3233127, 5388545, 16165635, 26942725, 80828175]

約数ペア:

[(1, 80828175), (3, 26942725), (5, 16165635), (15, 5388545), (25, 3233127), (43, 1879725), (71, 1138425), (75, 1077709), (129, 626575), (213, 379475), (215, 375945), (353, 228975), (355, 227685), (645, 125315), (1059, 76325), (1065, 75895), (1075, 75189), (1765, 45795), (1775, 45537), (3053, 26475), (3225, 25063), (5295, 15265), (5325, 15179), (8825, 9159)]