28215075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 53774336

約数和(自身を除く): 25559261

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 223, 241, 525, 669, 723, 1115, 1205, 1561, 1687, 3345, 3615, 4683, 5061, 5575, 6025, 7805, 8435, 16725, 18075, 23415, 25305, 39025, 42175, 53743, 117075, 126525, 161229, 268715, 376201, 806145, 1128603, 1343575, 1881005, 4030725, 5643015, 9405025, 28215075]

約数ペア:

[(1, 28215075), (3, 9405025), (5, 5643015), (7, 4030725), (15, 1881005), (21, 1343575), (25, 1128603), (35, 806145), (75, 376201), (105, 268715), (175, 161229), (223, 126525), (241, 117075), (525, 53743), (669, 42175), (723, 39025), (1115, 25305), (1205, 23415), (1561, 18075), (1687, 16725), (3345, 8435), (3615, 7805), (4683, 6025), (5061, 5575)]