215096427

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2207}}^1$

素因数の和:2257

約数の個数: 72

約数和(自身を含む): 412304256

約数和(自身を除く): 197207829

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 357, 441, 637, 663, 819, 833, 1071, 1547, 1911, 1989, 2207, 2499, 4641, 5733, 6621, 7497, 10829, 13923, 15449, 19863, 28691, 32487, 37519, 46347, 86073, 97461, 108143, 112557, 139041, 200837, 258219, 262633, 324429, 337671, 487747, 602511, 787899, 973287, 1405859, 1463241, 1807533, 1838431, 2363697, 3414229, 4217577, 4389723, 5515293, 10242687, 12652731, 16545879, 23899603, 30728061, 71698809, 215096427]

約数ペア:

[(1, 215096427), (3, 71698809), (7, 30728061), (9, 23899603), (13, 16545879), (17, 12652731), (21, 10242687), (39, 5515293), (49, 4389723), (51, 4217577), (63, 3414229), (91, 2363697), (117, 1838431), (119, 1807533), (147, 1463241), (153, 1405859), (221, 973287), (273, 787899), (357, 602511), (441, 487747), (637, 337671), (663, 324429), (819, 262633), (833, 258219), (1071, 200837), (1547, 139041), (1911, 112557), (1989, 108143), (2207, 97461), (2499, 86073), (4641, 46347), (5733, 37519), (6621, 32487), (7497, 28691), (10829, 19863), (13923, 15449)]