20171288277

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{22147}}^1$

素因数の和:22303

約数の個数: 64

約数和(自身を含む): 35153305600

約数和(自身を除く): 14982017323

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 79, 183, 189, 237, 427, 549, 553, 711, 1281, 1647, 1659, 2133, 3843, 4819, 4977, 11529, 14457, 14931, 22147, 33733, 43371, 66441, 101199, 130113, 155029, 199323, 303597, 465087, 597969, 910791, 1350967, 1395261, 1749613, 4052901, 4185783, 5248839, 9456769, 12158703, 12247291, 15746517, 28370307, 36476109, 36741873, 47239551, 85110921, 106726393, 110225619, 255332763, 320179179, 330676857, 747084751, 960537537, 2241254253, 2881612611, 6723762759, 20171288277]

約数ペア:

[(1, 20171288277), (3, 6723762759), (7, 2881612611), (9, 2241254253), (21, 960537537), (27, 747084751), (61, 330676857), (63, 320179179), (79, 255332763), (183, 110225619), (189, 106726393), (237, 85110921), (427, 47239551), (549, 36741873), (553, 36476109), (711, 28370307), (1281, 15746517), (1647, 12247291), (1659, 12158703), (2133, 9456769), (3843, 5248839), (4819, 4185783), (4977, 4052901), (11529, 1749613), (14457, 1395261), (14931, 1350967), (22147, 910791), (33733, 597969), (43371, 465087), (66441, 303597), (101199, 199323), (130113, 155029)]