219698271

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 368865280

約数和(自身を除く): 149167009

約数列:

[1, 3, 9, 13, 27, 31, 39, 61, 93, 117, 183, 279, 331, 351, 403, 549, 793, 837, 993, 1209, 1647, 1891, 2379, 2979, 3627, 4303, 5673, 7137, 8937, 10261, 10881, 12909, 17019, 20191, 21411, 24583, 30783, 38727, 51057, 60573, 73749, 92349, 116181, 133393, 181719, 221247, 262483, 277047, 400179, 545157, 625921, 663741, 787449, 1200537, 1877763, 2362347, 3601611, 5633289, 7087041, 8136973, 16899867, 24410919, 73232757, 219698271]

約数ペア:

[(1, 219698271), (3, 73232757), (9, 24410919), (13, 16899867), (27, 8136973), (31, 7087041), (39, 5633289), (61, 3601611), (93, 2362347), (117, 1877763), (183, 1200537), (279, 787449), (331, 663741), (351, 625921), (403, 545157), (549, 400179), (793, 277047), (837, 262483), (993, 221247), (1209, 181719), (1647, 133393), (1891, 116181), (2379, 92349), (2979, 73749), (3627, 60573), (4303, 51057), (5673, 38727), (7137, 30783), (8937, 24583), (10261, 21411), (10881, 20191), (12909, 17019)]