84171975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{883}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 147323904

約数和(自身を除く): 63151929

約数列:

[1, 3, 5, 15, 25, 31, 41, 75, 93, 123, 155, 205, 465, 615, 775, 883, 1025, 1271, 2325, 2649, 3075, 3813, 4415, 6355, 13245, 19065, 22075, 27373, 31775, 36203, 66225, 82119, 95325, 108609, 136865, 181015, 410595, 543045, 684325, 905075, 1122293, 2052975, 2715225, 3366879, 5611465, 16834395, 28057325, 84171975]

約数ペア:

[(1, 84171975), (3, 28057325), (5, 16834395), (15, 5611465), (25, 3366879), (31, 2715225), (41, 2052975), (75, 1122293), (93, 905075), (123, 684325), (155, 543045), (205, 410595), (465, 181015), (615, 136865), (775, 108609), (883, 95325), (1025, 82119), (1271, 66225), (2325, 36203), (2649, 31775), (3075, 27373), (3813, 22075), (4415, 19065), (6355, 13245)]