12102345

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 21690240

約数和(自身を除く): 9587895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 571, 785, 1413, 1713, 2355, 2855, 4239, 5139, 7065, 8565, 15417, 21195, 25695, 77085, 89647, 268941, 448235, 806823, 1344705, 2420469, 4034115, 12102345]

約数ペア:

[(1, 12102345), (3, 4034115), (5, 2420469), (9, 1344705), (15, 806823), (27, 448235), (45, 268941), (135, 89647), (157, 77085), (471, 25695), (571, 21195), (785, 15417), (1413, 8565), (1713, 7065), (2355, 5139), (2855, 4239)]