7281351

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 14227200

約数和(自身を除く): 6945849

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 49, 57, 63, 77, 79, 99, 133, 147, 171, 209, 231, 237, 399, 441, 539, 553, 627, 693, 711, 869, 931, 1197, 1463, 1501, 1617, 1659, 1881, 2607, 2793, 3871, 4389, 4503, 4851, 4977, 6083, 7821, 8379, 10241, 10507, 11613, 13167, 13509, 16511, 18249, 30723, 31521, 34839, 42581, 49533, 54747, 73549, 92169, 94563, 115577, 127743, 148599, 220647, 346731, 383229, 661941, 809039, 1040193, 2427117, 7281351]

約数ペア:

[(1, 7281351), (3, 2427117), (7, 1040193), (9, 809039), (11, 661941), (19, 383229), (21, 346731), (33, 220647), (49, 148599), (57, 127743), (63, 115577), (77, 94563), (79, 92169), (99, 73549), (133, 54747), (147, 49533), (171, 42581), (209, 34839), (231, 31521), (237, 30723), (399, 18249), (441, 16511), (539, 13509), (553, 13167), (627, 11613), (693, 10507), (711, 10241), (869, 8379), (931, 7821), (1197, 6083), (1463, 4977), (1501, 4851), (1617, 4503), (1659, 4389), (1881, 3871), (2607, 2793)]