17899681401

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{1867}}^1$

素因数の和:2380

約数の個数: 80

約数和(自身を含む): 31470330496

約数和(自身を除く): 13570649095

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 457, 567, 777, 999, 1371, 1867, 2331, 2997, 3199, 4113, 5601, 6993, 9597, 12339, 13069, 16803, 16909, 20979, 28791, 37017, 39207, 50409, 50727, 69079, 86373, 117621, 118363, 151227, 152181, 207237, 259119, 352863, 355089, 456543, 483553, 621711, 853219, 1058589, 1065267, 1369629, 1450659, 1865133, 2559657, 3195801, 4351977, 5595399, 5972533, 7678971, 9587403, 13055931, 17917599, 23036913, 31569103, 39167793, 53752797, 69110739, 94707309, 161258391, 220983721, 284121927, 483775173, 662951163, 852365781, 1988853489, 2557097343, 5966560467, 17899681401]

約数ペア:

[(1, 17899681401), (3, 5966560467), (7, 2557097343), (9, 1988853489), (21, 852365781), (27, 662951163), (37, 483775173), (63, 284121927), (81, 220983721), (111, 161258391), (189, 94707309), (259, 69110739), (333, 53752797), (457, 39167793), (567, 31569103), (777, 23036913), (999, 17917599), (1371, 13055931), (1867, 9587403), (2331, 7678971), (2997, 5972533), (3199, 5595399), (4113, 4351977), (5601, 3195801), (6993, 2559657), (9597, 1865133), (12339, 1450659), (13069, 1369629), (16803, 1065267), (16909, 1058589), (20979, 853219), (28791, 621711), (37017, 483553), (39207, 456543), (50409, 355089), (50727, 352863), (69079, 259119), (86373, 207237), (117621, 152181), (118363, 151227)]