71292591

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 111421440

約数和(自身を除く): 40128849

約数列:

[1, 3, 9, 31, 59, 61, 71, 93, 177, 183, 213, 279, 531, 549, 639, 1829, 1891, 2201, 3599, 4189, 4331, 5487, 5673, 6603, 10797, 12567, 12993, 16461, 17019, 19809, 32391, 37701, 38979, 111569, 129859, 134261, 255529, 334707, 389577, 402783, 766587, 1004121, 1168731, 1208349, 2299761, 7921399, 23764197, 71292591]

約数ペア:

[(1, 71292591), (3, 23764197), (9, 7921399), (31, 2299761), (59, 1208349), (61, 1168731), (71, 1004121), (93, 766587), (177, 402783), (183, 389577), (213, 334707), (279, 255529), (531, 134261), (549, 129859), (639, 111569), (1829, 38979), (1891, 37701), (2201, 32391), (3599, 19809), (4189, 17019), (4331, 16461), (5487, 12993), (5673, 12567), (6603, 10797)]