18333675

素因数分解:

$3^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 34090080

約数和(自身を除く): 15756405

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 157, 173, 225, 471, 519, 675, 785, 865, 1413, 1557, 2355, 2595, 3925, 4239, 4325, 4671, 7065, 7785, 11775, 12975, 21195, 23355, 27161, 35325, 38925, 81483, 105975, 116775, 135805, 244449, 407415, 679025, 733347, 1222245, 2037075, 3666735, 6111225, 18333675]

約数ペア:

[(1, 18333675), (3, 6111225), (5, 3666735), (9, 2037075), (15, 1222245), (25, 733347), (27, 679025), (45, 407415), (75, 244449), (135, 135805), (157, 116775), (173, 105975), (225, 81483), (471, 38925), (519, 35325), (675, 27161), (785, 23355), (865, 21195), (1413, 12975), (1557, 11775), (2355, 7785), (2595, 7065), (3925, 4671), (4239, 4325)]