245328993

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 457623936

約数和(自身を除く): 212294943

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 83, 91, 117, 189, 249, 273, 351, 401, 567, 581, 747, 819, 1053, 1079, 1203, 1743, 2241, 2457, 2807, 3237, 3609, 5213, 5229, 6723, 7371, 7553, 8421, 9711, 10827, 15639, 15687, 22659, 25263, 29133, 32481, 33283, 36491, 46917, 47061, 67977, 75789, 87399, 99849, 109473, 140751, 203931, 227367, 232981, 299547, 328419, 422253, 432679, 611793, 698943, 898641, 985257, 1298037, 2096829, 2695923, 2955771, 3028753, 3894111, 6290487, 9086259, 11682333, 18871461, 27258777, 35046999, 81776331, 245328993]

約数ペア:

[(1, 245328993), (3, 81776331), (7, 35046999), (9, 27258777), (13, 18871461), (21, 11682333), (27, 9086259), (39, 6290487), (63, 3894111), (81, 3028753), (83, 2955771), (91, 2695923), (117, 2096829), (189, 1298037), (249, 985257), (273, 898641), (351, 698943), (401, 611793), (567, 432679), (581, 422253), (747, 328419), (819, 299547), (1053, 232981), (1079, 227367), (1203, 203931), (1743, 140751), (2241, 109473), (2457, 99849), (2807, 87399), (3237, 75789), (3609, 67977), (5213, 47061), (5229, 46917), (6723, 36491), (7371, 33283), (7553, 32481), (8421, 29133), (9711, 25263), (10827, 22659), (15639, 15687)]