213653671

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3331}}^1$

素因数の和:3380

約数の個数: 32

約数和(自身を含む): 287884800

約数和(自身を除く): 74231129

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 343, 539, 833, 1309, 3331, 3773, 5831, 9163, 23317, 36641, 56627, 64141, 163219, 256487, 396389, 622897, 1142533, 1795409, 2774723, 4360279, 12567863, 19423061, 30521953, 213653671]

約数ペア:

[(1, 213653671), (7, 30521953), (11, 19423061), (17, 12567863), (49, 4360279), (77, 2774723), (119, 1795409), (187, 1142533), (343, 622897), (539, 396389), (833, 256487), (1309, 163219), (3331, 64141), (3773, 56627), (5831, 36641), (9163, 23317)]