685931997

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{1051}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 988913664

約数和(自身を除く): 302981667

約数列:

[1, 3, 17, 51, 67, 191, 201, 573, 1051, 1139, 3153, 3247, 3417, 9741, 12797, 17867, 38391, 53601, 70417, 200741, 211251, 217549, 602223, 652647, 1197089, 3412597, 3591267, 10237791, 13449647, 40348941, 228643999, 685931997]

約数ペア:

[(1, 685931997), (3, 228643999), (17, 40348941), (51, 13449647), (67, 10237791), (191, 3591267), (201, 3412597), (573, 1197089), (1051, 652647), (1139, 602223), (3153, 217549), (3247, 211251), (3417, 200741), (9741, 70417), (12797, 53601), (17867, 38391)]