405309197

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 459571200

約数和(自身を除く): 54262003

約数列:

[1, 19, 23, 67, 109, 127, 437, 1273, 1541, 2071, 2413, 2507, 2921, 7303, 8509, 13843, 29279, 47633, 55499, 138757, 161671, 167969, 195707, 263017, 318389, 927481, 3191411, 3718433, 6049391, 17622139, 21332063, 405309197]

約数ペア:

[(1, 405309197), (19, 21332063), (23, 17622139), (67, 6049391), (109, 3718433), (127, 3191411), (437, 927481), (1273, 318389), (1541, 263017), (2071, 195707), (2413, 167969), (2507, 161671), (2921, 138757), (7303, 55499), (8509, 47633), (13843, 29279)]