171561915

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2649

約数の個数: 64

約数和(自身を含む): 353617920

約数和(自身を除く): 182056005

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 71, 105, 135, 189, 213, 315, 355, 497, 639, 945, 1065, 1491, 1917, 2485, 2557, 3195, 4473, 7455, 7671, 9585, 12785, 13419, 17899, 22365, 23013, 38355, 53697, 67095, 69039, 89495, 115065, 161091, 181547, 268485, 345195, 483273, 544641, 805455, 907735, 1270829, 1633923, 2416365, 2723205, 3812487, 4901769, 6354145, 8169615, 11437461, 19062435, 24508845, 34312383, 57187305, 171561915]

約数ペア:

[(1, 171561915), (3, 57187305), (5, 34312383), (7, 24508845), (9, 19062435), (15, 11437461), (21, 8169615), (27, 6354145), (35, 4901769), (45, 3812487), (63, 2723205), (71, 2416365), (105, 1633923), (135, 1270829), (189, 907735), (213, 805455), (315, 544641), (355, 483273), (497, 345195), (639, 268485), (945, 181547), (1065, 161091), (1491, 115065), (1917, 89495), (2485, 69039), (2557, 67095), (3195, 53697), (4473, 38355), (7455, 23013), (7671, 22365), (9585, 17899), (12785, 13419)]