28735941

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 42997248

約数和(自身を除く): 14261307

約数列:

[1, 3, 13, 39, 47, 61, 141, 183, 257, 611, 771, 793, 1833, 2379, 2867, 3341, 8601, 10023, 12079, 15677, 36237, 37271, 47031, 111813, 157027, 203801, 471081, 611403, 736819, 2210457, 9578647, 28735941]

約数ペア:

[(1, 28735941), (3, 9578647), (13, 2210457), (39, 736819), (47, 611403), (61, 471081), (141, 203801), (183, 157027), (257, 111813), (611, 47031), (771, 37271), (793, 36237), (1833, 15677), (2379, 12079), (2867, 10023), (3341, 8601)]