28049985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 24178815

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 265, 285, 477, 619, 795, 855, 1007, 1857, 2385, 3021, 3095, 5035, 5571, 9063, 9285, 11761, 15105, 27855, 32807, 35283, 45315, 58805, 98421, 105849, 164035, 176415, 295263, 492105, 529245, 623333, 1476315, 1869999, 3116665, 5609997, 9349995, 28049985]

約数ペア:

[(1, 28049985), (3, 9349995), (5, 5609997), (9, 3116665), (15, 1869999), (19, 1476315), (45, 623333), (53, 529245), (57, 492105), (95, 295263), (159, 176415), (171, 164035), (265, 105849), (285, 98421), (477, 58805), (619, 45315), (795, 35283), (855, 32807), (1007, 27855), (1857, 15105), (2385, 11761), (3021, 9285), (3095, 9063), (5035, 5571)]