389640225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2393}}^1$

素因数の和:2586

約数の個数: 48

約数和(自身を含む): 698205312

約数和(自身を除く): 308565087

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 167, 195, 325, 501, 835, 975, 2171, 2393, 2505, 4175, 6513, 7179, 10855, 11965, 12525, 31109, 32565, 35895, 54275, 59825, 93327, 155545, 162825, 179475, 399631, 466635, 777725, 1198893, 1998155, 2333175, 5195203, 5994465, 9990775, 15585609, 25976015, 29972325, 77928045, 129880075, 389640225]

約数ペア:

[(1, 389640225), (3, 129880075), (5, 77928045), (13, 29972325), (15, 25976015), (25, 15585609), (39, 9990775), (65, 5994465), (75, 5195203), (167, 2333175), (195, 1998155), (325, 1198893), (501, 777725), (835, 466635), (975, 399631), (2171, 179475), (2393, 162825), (2505, 155545), (4175, 93327), (6513, 59825), (7179, 54275), (10855, 35895), (11965, 32565), (12525, 31109)]