68984955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 132919488

約数和(自身を除く): 63934533

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 169, 193, 195, 235, 423, 507, 579, 585, 611, 705, 845, 965, 1521, 1737, 1833, 2115, 2509, 2535, 2895, 3055, 5499, 7527, 7605, 7943, 8685, 9071, 9165, 12545, 22581, 23829, 27213, 27495, 32617, 37635, 39715, 45355, 71487, 81639, 97851, 112905, 117923, 119145, 136065, 163085, 293553, 353769, 357435, 408195, 489255, 589615, 1061307, 1467765, 1532999, 1768845, 4598997, 5306535, 7664995, 13796991, 22994985, 68984955]

約数ペア:

[(1, 68984955), (3, 22994985), (5, 13796991), (9, 7664995), (13, 5306535), (15, 4598997), (39, 1768845), (45, 1532999), (47, 1467765), (65, 1061307), (117, 589615), (141, 489255), (169, 408195), (193, 357435), (195, 353769), (235, 293553), (423, 163085), (507, 136065), (579, 119145), (585, 117923), (611, 112905), (705, 97851), (845, 81639), (965, 71487), (1521, 45355), (1737, 39715), (1833, 37635), (2115, 32617), (2509, 27495), (2535, 27213), (2895, 23829), (3055, 22581), (5499, 12545), (7527, 9165), (7605, 9071), (7943, 8685)]