4938216921

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 8219667456

約数和(自身を除く): 3281450535

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 99, 213, 251, 297, 311, 639, 753, 781, 891, 933, 1917, 2259, 2343, 2761, 2799, 3421, 5751, 6777, 7029, 8283, 8397, 10263, 17821, 20331, 21087, 22081, 24849, 25191, 30789, 53463, 63261, 66243, 74547, 78061, 92367, 160389, 196031, 198729, 223641, 234183, 242891, 277101, 481167, 588093, 596187, 702549, 728673, 858671, 1443501, 1764279, 1788561, 2107647, 2186019, 2576013, 5292837, 5542331, 6322941, 6558057, 7728039, 15878511, 16626993, 19674171, 23184117, 49880979, 60965641, 69552351, 149642937, 182896923, 448928811, 548690769, 1646072307, 4938216921]

約数ペア:

[(1, 4938216921), (3, 1646072307), (9, 548690769), (11, 448928811), (27, 182896923), (33, 149642937), (71, 69552351), (81, 60965641), (99, 49880979), (213, 23184117), (251, 19674171), (297, 16626993), (311, 15878511), (639, 7728039), (753, 6558057), (781, 6322941), (891, 5542331), (933, 5292837), (1917, 2576013), (2259, 2186019), (2343, 2107647), (2761, 1788561), (2799, 1764279), (3421, 1443501), (5751, 858671), (6777, 728673), (7029, 702549), (8283, 596187), (8397, 588093), (10263, 481167), (17821, 277101), (20331, 242891), (21087, 234183), (22081, 223641), (24849, 198729), (25191, 196031), (30789, 160389), (53463, 92367), (63261, 78061), (66243, 74547)]