289304865

素因数分解:

$3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7681}}^1$

素因数の和:7732

約数の個数: 48

約数和(自身を含む): 536879616

約数和(自身を除く): 247574751

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 465, 837, 1215, 1395, 2511, 4185, 7533, 7681, 12555, 23043, 37665, 38405, 69129, 115215, 207387, 238111, 345645, 622161, 714333, 1036935, 1190555, 1866483, 2142999, 3110805, 3571665, 6428997, 9332415, 10714995, 19286991, 32144985, 57860973, 96434955, 289304865]

約数ペア:

[(1, 289304865), (3, 96434955), (5, 57860973), (9, 32144985), (15, 19286991), (27, 10714995), (31, 9332415), (45, 6428997), (81, 3571665), (93, 3110805), (135, 2142999), (155, 1866483), (243, 1190555), (279, 1036935), (405, 714333), (465, 622161), (837, 345645), (1215, 238111), (1395, 207387), (2511, 115215), (4185, 69129), (7533, 38405), (7681, 37665), (12555, 23043)]