42809715

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 84889728

約数和(自身を除く): 42080013

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 47, 65, 81, 117, 135, 141, 173, 195, 235, 351, 405, 423, 519, 585, 611, 705, 865, 1053, 1269, 1557, 1755, 1833, 2115, 2249, 2595, 3055, 3807, 4671, 5265, 5499, 6345, 6747, 7785, 8131, 9165, 11245, 14013, 16497, 19035, 20241, 23355, 24393, 27495, 33735, 40655, 49491, 60723, 70065, 73179, 82485, 101205, 105703, 121965, 182169, 219537, 247455, 303615, 317109, 365895, 528515, 658611, 910845, 951327, 1097685, 1585545, 2853981, 3293055, 4756635, 8561943, 14269905, 42809715]

約数ペア:

[(1, 42809715), (3, 14269905), (5, 8561943), (9, 4756635), (13, 3293055), (15, 2853981), (27, 1585545), (39, 1097685), (45, 951327), (47, 910845), (65, 658611), (81, 528515), (117, 365895), (135, 317109), (141, 303615), (173, 247455), (195, 219537), (235, 182169), (351, 121965), (405, 105703), (423, 101205), (519, 82485), (585, 73179), (611, 70065), (705, 60723), (865, 49491), (1053, 40655), (1269, 33735), (1557, 27495), (1755, 24393), (1833, 23355), (2115, 20241), (2249, 19035), (2595, 16497), (3055, 14013), (3807, 11245), (4671, 9165), (5265, 8131), (5499, 7785), (6345, 6747)]