157216515

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{1237}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 259682880

約数和(自身を除く): 102466365

約数列:

[1, 3, 5, 15, 37, 111, 185, 229, 555, 687, 1145, 1237, 3435, 3711, 6185, 8473, 18555, 25419, 42365, 45769, 127095, 137307, 228845, 283273, 686535, 849819, 1416365, 4249095, 10481101, 31443303, 52405505, 157216515]

約数ペア:

[(1, 157216515), (3, 52405505), (5, 31443303), (15, 10481101), (37, 4249095), (111, 1416365), (185, 849819), (229, 686535), (555, 283273), (687, 228845), (1145, 137307), (1237, 127095), (3435, 45769), (3711, 42365), (6185, 25419), (8473, 18555)]