81925725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5381}}^1$

素因数の和:5430

約数の個数: 48

約数和(自身を含む): 160168320

約数和(自身を除く): 78242595

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 75, 87, 105, 145, 175, 203, 435, 525, 609, 725, 1015, 2175, 3045, 5075, 5381, 15225, 16143, 26905, 37667, 80715, 113001, 134525, 156049, 188335, 403575, 468147, 565005, 780245, 941675, 1092343, 2340735, 2825025, 3277029, 3901225, 5461715, 11703675, 16385145, 27308575, 81925725]

約数ペア:

[(1, 81925725), (3, 27308575), (5, 16385145), (7, 11703675), (15, 5461715), (21, 3901225), (25, 3277029), (29, 2825025), (35, 2340735), (75, 1092343), (87, 941675), (105, 780245), (145, 565005), (175, 468147), (203, 403575), (435, 188335), (525, 156049), (609, 134525), (725, 113001), (1015, 80715), (2175, 37667), (3045, 26905), (5075, 16143), (5381, 15225)]