28336455

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 58260384

約数和(自身を除く): 29923929

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 71, 105, 147, 181, 213, 245, 315, 355, 441, 497, 543, 639, 735, 905, 1065, 1267, 1491, 1629, 2205, 2485, 2715, 3195, 3479, 3801, 4473, 6335, 7455, 8145, 8869, 10437, 11403, 12851, 17395, 19005, 22365, 26607, 31311, 38553, 44345, 52185, 57015, 64255, 79821, 89957, 115659, 133035, 156555, 192765, 269871, 399105, 449785, 578295, 629699, 809613, 1349355, 1889097, 3148495, 4048065, 5667291, 9445485, 28336455]

約数ペア:

[(1, 28336455), (3, 9445485), (5, 5667291), (7, 4048065), (9, 3148495), (15, 1889097), (21, 1349355), (35, 809613), (45, 629699), (49, 578295), (63, 449785), (71, 399105), (105, 269871), (147, 192765), (181, 156555), (213, 133035), (245, 115659), (315, 89957), (355, 79821), (441, 64255), (497, 57015), (543, 52185), (639, 44345), (735, 38553), (905, 31311), (1065, 26607), (1267, 22365), (1491, 19005), (1629, 17395), (2205, 12851), (2485, 11403), (2715, 10437), (3195, 8869), (3479, 8145), (3801, 7455), (4473, 6335)]