201398847

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 325140480

約数和(自身を除く): 123741633

約数列:

[1, 3, 13, 17, 31, 39, 41, 51, 93, 123, 221, 239, 403, 527, 533, 663, 697, 717, 1209, 1271, 1581, 1599, 2091, 3107, 3813, 4063, 6851, 7409, 9061, 9321, 9799, 12189, 16523, 20553, 21607, 22227, 27183, 29397, 49569, 52819, 64821, 96317, 125953, 127387, 158457, 166583, 280891, 288951, 303769, 377859, 382161, 499749, 842673, 911307, 1637389, 2165579, 3948997, 4912167, 5164073, 6496737, 11846991, 15492219, 67132949, 201398847]

約数ペア:

[(1, 201398847), (3, 67132949), (13, 15492219), (17, 11846991), (31, 6496737), (39, 5164073), (41, 4912167), (51, 3948997), (93, 2165579), (123, 1637389), (221, 911307), (239, 842673), (403, 499749), (527, 382161), (533, 377859), (663, 303769), (697, 288951), (717, 280891), (1209, 166583), (1271, 158457), (1581, 127387), (1599, 125953), (2091, 96317), (3107, 64821), (3813, 52819), (4063, 49569), (6851, 29397), (7409, 27183), (9061, 22227), (9321, 21607), (9799, 20553), (12189, 16523)]