29999697

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 50595840

約数和(自身を除く): 20596143

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 107, 169, 237, 273, 321, 507, 553, 749, 1027, 1183, 1391, 1659, 2247, 3081, 3549, 4173, 7189, 8453, 9737, 13351, 18083, 21567, 25359, 29211, 40053, 54249, 59171, 93457, 109889, 126581, 177513, 280371, 329667, 379743, 769223, 1428557, 2307669, 4285671, 9999899, 29999697]

約数ペア:

[(1, 29999697), (3, 9999899), (7, 4285671), (13, 2307669), (21, 1428557), (39, 769223), (79, 379743), (91, 329667), (107, 280371), (169, 177513), (237, 126581), (273, 109889), (321, 93457), (507, 59171), (553, 54249), (749, 40053), (1027, 29211), (1183, 25359), (1391, 21567), (1659, 18083), (2247, 13351), (3081, 9737), (3549, 8453), (4173, 7189)]