203854515

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1699}}^1$

素因数の和:2147

約数の個数: 32

約数和(自身を含む): 344352000

約数和(自身を除く): 140497485

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 421, 1263, 1699, 2105, 5097, 6315, 7999, 8495, 23997, 25485, 32281, 39995, 96843, 119985, 161405, 484215, 715279, 2145837, 3576395, 10729185, 13590301, 40770903, 67951505, 203854515]

約数ペア:

[(1, 203854515), (3, 67951505), (5, 40770903), (15, 13590301), (19, 10729185), (57, 3576395), (95, 2145837), (285, 715279), (421, 484215), (1263, 161405), (1699, 119985), (2105, 96843), (5097, 39995), (6315, 32281), (7999, 25485), (8495, 23997)]