18165225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 33442304

約数和(自身を除く): 15277079

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 601, 775, 975, 1209, 1803, 2015, 2325, 3005, 6045, 7813, 9015, 10075, 15025, 18631, 23439, 30225, 39065, 45075, 55893, 93155, 117195, 195325, 242203, 279465, 465775, 585975, 726609, 1211015, 1397325, 3633045, 6055075, 18165225]

約数ペア:

[(1, 18165225), (3, 6055075), (5, 3633045), (13, 1397325), (15, 1211015), (25, 726609), (31, 585975), (39, 465775), (65, 279465), (75, 242203), (93, 195325), (155, 117195), (195, 93155), (325, 55893), (403, 45075), (465, 39065), (601, 30225), (775, 23439), (975, 18631), (1209, 15025), (1803, 10075), (2015, 9015), (2325, 7813), (3005, 6045)]