289362879

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 465139584

約数和(自身を除く): 175776705

約数列:

[1, 3, 9, 13, 39, 47, 101, 117, 141, 303, 423, 521, 611, 909, 1313, 1563, 1833, 3939, 4689, 4747, 5499, 6773, 11817, 14241, 20319, 24487, 42723, 52621, 60957, 61711, 73461, 157863, 185133, 220383, 318331, 473589, 555399, 684073, 954993, 2052219, 2473187, 2864979, 6156657, 7419561, 22258683, 32151431, 96454293, 289362879]

約数ペア:

[(1, 289362879), (3, 96454293), (9, 32151431), (13, 22258683), (39, 7419561), (47, 6156657), (101, 2864979), (117, 2473187), (141, 2052219), (303, 954993), (423, 684073), (521, 555399), (611, 473589), (909, 318331), (1313, 220383), (1563, 185133), (1833, 157863), (3939, 73461), (4689, 61711), (4747, 60957), (5499, 52621), (6773, 42723), (11817, 24487), (14241, 20319)]