391119495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 692955648

約数和(自身を除く): 301836153

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 131, 183, 195, 251, 305, 393, 655, 753, 793, 915, 1255, 1703, 1965, 2379, 3263, 3765, 3965, 5109, 7991, 8515, 9789, 11895, 15311, 16315, 23973, 25545, 32881, 39955, 45933, 48945, 76555, 98643, 103883, 119865, 164405, 199043, 229665, 311649, 427453, 493215, 519415, 597129, 995215, 1282359, 1558245, 2005741, 2137265, 2985645, 6017223, 6411795, 10028705, 26074633, 30086115, 78223899, 130373165, 391119495]

約数ペア:

[(1, 391119495), (3, 130373165), (5, 78223899), (13, 30086115), (15, 26074633), (39, 10028705), (61, 6411795), (65, 6017223), (131, 2985645), (183, 2137265), (195, 2005741), (251, 1558245), (305, 1282359), (393, 995215), (655, 597129), (753, 519415), (793, 493215), (915, 427453), (1255, 311649), (1703, 229665), (1965, 199043), (2379, 164405), (3263, 119865), (3765, 103883), (3965, 98643), (5109, 76555), (7991, 48945), (8515, 45933), (9789, 39955), (11895, 32881), (15311, 25545), (16315, 23973)]