3784515

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 7441920

約数和(自身を除く): 3657405

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 271, 285, 399, 665, 735, 813, 931, 1355, 1897, 1995, 2793, 4065, 4655, 5149, 5691, 9485, 13279, 13965, 15447, 25745, 28455, 36043, 39837, 66395, 77235, 108129, 180215, 199185, 252301, 540645, 756903, 1261505, 3784515]

約数ペア:

[(1, 3784515), (3, 1261505), (5, 756903), (7, 540645), (15, 252301), (19, 199185), (21, 180215), (35, 108129), (49, 77235), (57, 66395), (95, 39837), (105, 36043), (133, 28455), (147, 25745), (245, 15447), (271, 13965), (285, 13279), (399, 9485), (665, 5691), (735, 5149), (813, 4655), (931, 4065), (1355, 2793), (1897, 1995)]