201515535

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:945

約数の個数: 96

約数和(自身を含む): 416078208

約数和(自身を除く): 214562673

約数列:

[1, 3, 5, 9, 13, 15, 17, 23, 39, 45, 51, 65, 69, 85, 115, 117, 153, 195, 207, 221, 255, 299, 345, 391, 585, 663, 765, 881, 897, 1035, 1105, 1173, 1495, 1955, 1989, 2643, 2691, 3315, 3519, 4405, 4485, 5083, 5865, 7929, 9945, 11453, 13215, 13455, 14977, 15249, 17595, 20263, 25415, 34359, 39645, 44931, 45747, 57265, 60789, 74885, 76245, 101315, 103077, 134793, 171795, 182367, 194701, 224655, 228735, 263419, 303945, 344471, 515385, 584103, 673965, 790257, 911835, 973505, 1033413, 1317095, 1722355, 1752309, 2370771, 2920515, 3100239, 3951285, 4478123, 5167065, 8761545, 11853855, 13434369, 15501195, 22390615, 40303107, 67171845, 201515535]

約数ペア:

[(1, 201515535), (3, 67171845), (5, 40303107), (9, 22390615), (13, 15501195), (15, 13434369), (17, 11853855), (23, 8761545), (39, 5167065), (45, 4478123), (51, 3951285), (65, 3100239), (69, 2920515), (85, 2370771), (115, 1752309), (117, 1722355), (153, 1317095), (195, 1033413), (207, 973505), (221, 911835), (255, 790257), (299, 673965), (345, 584103), (391, 515385), (585, 344471), (663, 303945), (765, 263419), (881, 228735), (897, 224655), (1035, 194701), (1105, 182367), (1173, 171795), (1495, 134793), (1955, 103077), (1989, 101315), (2643, 76245), (2691, 74885), (3315, 60789), (3519, 57265), (4405, 45747), (4485, 44931), (5083, 39645), (5865, 34359), (7929, 25415), (9945, 20263), (11453, 17595), (13215, 15249), (13455, 14977)]