7149345

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 13592448

約数和(自身を除く): 6443103

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 137, 147, 213, 245, 355, 411, 497, 685, 735, 959, 1065, 1491, 2055, 2485, 2877, 3479, 4795, 6713, 7455, 9727, 10437, 14385, 17395, 20139, 29181, 33565, 48635, 52185, 68089, 100695, 145905, 204267, 340445, 476623, 1021335, 1429869, 2383115, 7149345]

約数ペア:

[(1, 7149345), (3, 2383115), (5, 1429869), (7, 1021335), (15, 476623), (21, 340445), (35, 204267), (49, 145905), (71, 100695), (105, 68089), (137, 52185), (147, 48635), (213, 33565), (245, 29181), (355, 20139), (411, 17395), (497, 14385), (685, 10437), (735, 9727), (959, 7455), (1065, 6713), (1491, 4795), (2055, 3479), (2485, 2877)]