30991185

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 57495360

約数和(自身を除く): 26504175

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 67, 95, 171, 201, 285, 335, 541, 603, 855, 1005, 1273, 1623, 2705, 3015, 3819, 4869, 6365, 8115, 10279, 11457, 19095, 24345, 30837, 36247, 51395, 57285, 92511, 108741, 154185, 181235, 326223, 462555, 543705, 688693, 1631115, 2066079, 3443465, 6198237, 10330395, 30991185]

約数ペア:

[(1, 30991185), (3, 10330395), (5, 6198237), (9, 3443465), (15, 2066079), (19, 1631115), (45, 688693), (57, 543705), (67, 462555), (95, 326223), (171, 181235), (201, 154185), (285, 108741), (335, 92511), (541, 57285), (603, 51395), (855, 36247), (1005, 30837), (1273, 24345), (1623, 19095), (2705, 11457), (3015, 10279), (3819, 8115), (4869, 6365)]