27887535

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 55383120

約数和(自身を除く): 27495585

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 169, 171, 193, 195, 247, 285, 507, 579, 585, 741, 845, 855, 965, 1235, 1521, 1737, 2223, 2509, 2535, 2895, 3211, 3667, 3705, 7527, 7605, 8685, 9633, 11001, 11115, 12545, 16055, 18335, 22581, 28899, 32617, 33003, 37635, 47671, 48165, 55005, 97851, 112905, 143013, 144495, 163085, 165015, 238355, 293553, 429039, 489255, 619723, 715065, 1467765, 1859169, 2145195, 3098615, 5577507, 9295845, 27887535]

約数ペア:

[(1, 27887535), (3, 9295845), (5, 5577507), (9, 3098615), (13, 2145195), (15, 1859169), (19, 1467765), (39, 715065), (45, 619723), (57, 489255), (65, 429039), (95, 293553), (117, 238355), (169, 165015), (171, 163085), (193, 144495), (195, 143013), (247, 112905), (285, 97851), (507, 55005), (579, 48165), (585, 47671), (741, 37635), (845, 33003), (855, 32617), (965, 28899), (1235, 22581), (1521, 18335), (1737, 16055), (2223, 12545), (2509, 11115), (2535, 11001), (2895, 9633), (3211, 8685), (3667, 7605), (3705, 7527)]