13228785

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 25344000

約数和(自身を除く): 12115215

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 87, 93, 109, 135, 145, 155, 261, 279, 327, 435, 465, 545, 783, 837, 899, 981, 1305, 1395, 1635, 2697, 2943, 3161, 3379, 3915, 4185, 4495, 4905, 8091, 9483, 10137, 13485, 14715, 15805, 16895, 24273, 28449, 30411, 40455, 47415, 50685, 85347, 91233, 97991, 121365, 142245, 152055, 293973, 426735, 456165, 489955, 881919, 1469865, 2645757, 4409595, 13228785]

約数ペア:

[(1, 13228785), (3, 4409595), (5, 2645757), (9, 1469865), (15, 881919), (27, 489955), (29, 456165), (31, 426735), (45, 293973), (87, 152055), (93, 142245), (109, 121365), (135, 97991), (145, 91233), (155, 85347), (261, 50685), (279, 47415), (327, 40455), (435, 30411), (465, 28449), (545, 24273), (783, 16895), (837, 15805), (899, 14715), (981, 13485), (1305, 10137), (1395, 9483), (1635, 8091), (2697, 4905), (2943, 4495), (3161, 4185), (3379, 3915)]