64931145

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2447}}^1$

素因数の和:2545

約数の個数: 32

約数和(自身を含む): 109278720

約数和(自身を除く): 44347575

約数列:

[1, 3, 5, 15, 29, 61, 87, 145, 183, 305, 435, 915, 1769, 2447, 5307, 7341, 8845, 12235, 26535, 36705, 70963, 149267, 212889, 354815, 447801, 746335, 1064445, 2239005, 4328743, 12986229, 21643715, 64931145]

約数ペア:

[(1, 64931145), (3, 21643715), (5, 12986229), (15, 4328743), (29, 2239005), (61, 1064445), (87, 746335), (145, 447801), (183, 354815), (305, 212889), (435, 149267), (915, 70963), (1769, 36705), (2447, 26535), (5307, 12235), (7341, 8845)]