210943551

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 359976960

約数和(自身を除く): 149033409

約数列:

[1, 3, 7, 13, 21, 39, 53, 61, 91, 159, 183, 239, 273, 371, 427, 689, 717, 793, 1113, 1281, 1673, 2067, 2379, 3107, 3233, 4823, 5019, 5551, 9321, 9699, 12667, 14469, 14579, 16653, 21749, 22631, 38001, 42029, 43737, 65247, 67893, 88669, 102053, 126087, 164671, 189527, 266007, 294203, 306159, 494013, 568581, 772687, 882609, 1152697, 1326689, 2318061, 3458091, 3980067, 5408809, 10044931, 16226427, 30134793, 70314517, 210943551]

約数ペア:

[(1, 210943551), (3, 70314517), (7, 30134793), (13, 16226427), (21, 10044931), (39, 5408809), (53, 3980067), (61, 3458091), (91, 2318061), (159, 1326689), (183, 1152697), (239, 882609), (273, 772687), (371, 568581), (427, 494013), (689, 306159), (717, 294203), (793, 266007), (1113, 189527), (1281, 164671), (1673, 126087), (2067, 102053), (2379, 88669), (3107, 67893), (3233, 65247), (4823, 43737), (5019, 42029), (5551, 38001), (9321, 22631), (9699, 21749), (12667, 16653), (14469, 14579)]