223198521

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4517}}^1$

素因数の和:4721

約数の個数: 32

約数和(自身を含む): 368379648

約数和(自身を除く): 145181127

約数列:

[1, 3, 7, 13, 21, 39, 91, 181, 273, 543, 1267, 2353, 3801, 4517, 7059, 13551, 16471, 31619, 49413, 58721, 94857, 176163, 411047, 817577, 1233141, 2452731, 5723039, 10628501, 17169117, 31885503, 74399507, 223198521]

約数ペア:

[(1, 223198521), (3, 74399507), (7, 31885503), (13, 17169117), (21, 10628501), (39, 5723039), (91, 2452731), (181, 1233141), (273, 817577), (543, 411047), (1267, 176163), (2353, 94857), (3801, 58721), (4517, 49413), (7059, 31619), (13551, 16471)]